chore: freeze requirements following bump

Author: joybytes

requirements.txt

@@ -152,7 +152,7 @@ mistune==0.8.4
     # via notifications-utils
 notifications-python-client==10.0.1
     # via -r requirements.in
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@c3b3711d9b63cf131151087be7726f7b9b1b0e55
+notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@043dcf4df0ebd183dc26b99d82362dab5d3ce47c
     # via -r requirements.in
 ordered-set==4.1.0
     # via notifications-utils
@@ -238,6 +238,8 @@ statsd==4.0.1
 typing-extensions==4.15.0
     # via
     #   alembic
+    #   exceptiongroup
+    #   referencing
     #   sqlalchemy
 tzdata==2025.3
     # via

requirements_for_test.txt

@@ -226,7 +226,7 @@ mypy-extensions==1.1.0
     # via mypy
 notifications-python-client==10.0.1
     # via -r requirements.txt
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@c3b3711d9b63cf131151087be7726f7b9b1b0e55
+notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@043dcf4df0ebd183dc26b99d82362dab5d3ce47c
     # via -r requirements.txt
 ordered-set==4.1.0
     # via
@@ -388,7 +388,9 @@ typing-extensions==4.15.0
     # via
     #   -r requirements.txt
     #   alembic
+    #   exceptiongroup
     #   mypy
+    #   referencing
     #   sqlalchemy
 tzdata==2025.3
     # via